private void propagateStatus(ExecutableFlowBase base, Status status) {
if (!Status.isStatusFinished(base.getStatus())) {
logger.info("Setting " + base.getNestedId() + " to " + status);
base.setStatus(status);
if (base.getParentFlow() != null) {
propagateStatus(base.getParentFlow(), status);
}
}
}
private boolean progressGraph() throws IOException {
finishedNodes.swap();
// The following nodes are finished, so we'll collect a list of outnodes
// that are candidates for running next.
HashSet<ExecutableNode> nodesToCheck = new HashSet<ExecutableNode>();
for (ExecutableNode node : finishedNodes) {
Set<String> outNodeIds = node.getOutNodes();
ExecutableFlowBase parentFlow = node.getParentFlow();
// If a job is seen as failed, then we set the parent flow to FAILED_FINISHING
if (node.getStatus() == Status.FAILED) {
// The job cannot be retried or has run out of retry attempts. We will
// fail the job and its flow now.
if (!retryJobIfPossible(node)) {
propagateStatus(node.getParentFlow(), Status.FAILED_FINISHING);
if (failureAction == FailureAction.CANCEL_ALL) {
this.kill();
}
this.flowFailed = true;
} else {
nodesToCheck.add(node);
continue;
}
}
if (outNodeIds.isEmpty()) {
// There's no outnodes means it's the end of a flow, so we finalize
// and fire an event.
finalizeFlow(parentFlow);
finishExecutableNode(parentFlow);
// If the parent has a parent, then we process
if (!(parentFlow instanceof ExecutableFlow)) {
outNodeIds = parentFlow.getOutNodes();
parentFlow = parentFlow.getParentFlow();
}
}
// Add all out nodes from the finished job. We'll check against this set to
// see if any are candidates for running.
for (String nodeId : outNodeIds) {
ExecutableNode outNode = parentFlow.getExecutableNode(nodeId);
nodesToCheck.add(outNode);
}
}
// Runs candidate jobs. The code will check to see if they are ready to run before
// Instant kill or skip if necessary.
boolean jobsRun = false;
for (ExecutableNode node : nodesToCheck) {
if (Status.isStatusFinished(node.getStatus()) || Status.isStatusRunning(node.getStatus())) {
// Really shouldn't get in here.
continue;
}
jobsRun |= runReadyJob(node);
}
if (jobsRun || finishedNodes.getSize() > 0) {
updateFlow();
return true;
}
return false;
}